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US 5,665,078 AGranted
Surgical needle with decreased penetration
AssigneeEthicon, Inc.
InventorsWalter McGregor, William McJames, William Schaeffer, Semyon Shchervinsky
Life of this patent
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Abstract
A blunt tip surgical needle which significantly reduces the probability of skin penetration of the gloved hand of an operator is disclosed. The blunt tip needle includes a tip portion having at least one flat surface. The flat surface(s) blends smoothly between each other and with the outer surface of the tip portion such that the entire tip portion has a continuously smooth outer surface lacking any discontinuities or sharp edges.
Claims1
A surgical needle comprising:
- a tip portion having a blunt tip at a distal end thereof and at least one flat surface, said flat surface blending smoothly with an outer surface of said tip portion such that the tip portion has a continuously smooth outer surface lacking any discontinuities or sharp cutting edges, wherein said tip portion has a flat pressed circular cross-section having two flat surfaces, and said blunt tip bas two flat surfaces.
Dependencies are inferred from the claim text.